i think the proto type is cool. I think that if you're in a pinch and you can make your own go for it. I think they found a ninch and if they do well kudos to them.
I like the look but it looks far to similar to other things for me to buy one.
Though their hobo stem attachment is rather nifty.
GLaDOS: "You euthanised your faithful companion cube more quickly than any test subject on record. Congratulations!"